Well-drilling machine



Ma'rc@ 1 7j i925. 1,530,284

J. S. OLIVER ET AL WELL DRILLING MACHINE Filed May le, 192s ssheets-sheet 2 v INVENTORS' JS. Olz'yer A D. (Qlvelo BY jl/T B. (2h/ver;

muv/ ATTORNEY.

IN1/mfom JJS'. Ulu/ei TToRNEY.

J S OLIVER ET AL WELL DRILLING MACHINE Filed May 16, 1925 QB\ E M lfoldable into relatively small space for Patented Mar. 17, 1925.

PATENT OFFICE.

JAMES S. OLIVER-,YADOLFHUS D. OLIVER, AND NOBLE B. OLIVER, OF SANANGELO,

TEXAS.

WELL-DRILLING MACHINE.

Application mea May 1s, i923. serial No. 639,328.

To aZZ whom t may concern:

Be it known that we, JAMES S. Ouvrir, ADoLrHUs D. OLIVER, and NOBLE B.OLIVER, citizens of the United States, residing at San Angelo, in thecounty of Tom Green and State of Texas, have invented certain new anduseful Improvements in Tell-Drilling Machines, of which `the followingis a speci# ication.

This invention relates to well drillingma-` chines, and has'for one ofits objects to improve the construction and increase the efliciency andutility of devices of this character.

Another object of the invention is to provide a device of this charactercapable of bei i ing transported, from place to place and transportationor storage.v

With these and other objects in view, invention consists in certainnovel features of construction as hereinafter shown and described andthen specificallyv pointed out in the claim, and in the drawingsillustrative.

of the preferred embodiment of the invention.

` Figure 1 is a side elevation from one side,r

and

Fig. 2 is a side elevation from thev opposite side.

Fig 3 is a plan View, with the supporting frame in section on the line 33 of Fig. 1.

Fig.v 4 is anl enlarged Vdetail in section on the line 4 4 of Fig. 1.

Fig. 5 isan enlarged sectional detail of.

the tension device.

Fig. 6 is anenlarged detail, partly in section, ofthe vgear shiftingmechanism. i

Figure7 is an enlarged sideview partly in section of the adjustablebearings of the winding drum shaft and the shipper shaft. The improvedapparatus includes an ob-y long base frame of spaced side V'rails 10-11,transverse end vmembers12 and 13, an intermediate transverse member'14,' vertical rear corner members or posts 15, forward corner posts 16,upper rear transverse frame members 17 and obliquely directed braces 18f land 19.

wardly, slightly,

vThe forward posts 16 are inclined outd as shown in Figs'l and 2, andare likewise extended above the Iline of the braces 18,

thev

` guide rlfhe rear posts 15 are likewise extended upwardly and areprovided with bearings 2O which support a transverseshaft 21 on which na cable guide pulley 21 is mounted.

A` short longitudinal frame member 22 is supported on the frame members12 and 14, and carries a bearing 23 coacting with a similar bearing 24on the rail 10, to support The beam is provided with a cable guidepulley 31 intermediate the ends, as shown.

Attached to the forward posts 16 are transverse supports 32 and 33, andconnected to these supports are spaced vertical guides 34 between whichthe free end of the beam 28 operatesA and by which it is prevented fromlateral displacement.

The mast portion of the improved apparatus constitutes an extension ofthe forward posts 16 and is represented as a whole Lat 35. and hingedlyunited at 36`to the posts,

so that the mast can be folded down as indicated by dotted lines in Fig.1'. Braces 37 are detachably connected as at 38 and 39 to the posts -15and mast 35, and hold Vthe mast in vertical and operativeposition, butwill be releasable to permit the mast to be folded, as will be obvious.At its upper end,

the mast is provided with a cross head 40 carrying cable guide pulleys41 and 42 for the sand pump line 43, and with a cable pulley 44 for themain drill line 45.

Mounted for rotationby bearings 46 on the yframe members 10 and 11 is amain drive shaft 47 carrying a drive pulley 48 operative by a drive belt49 from any suitable source of power, not shown.

`Mounted loosely on they shaft 47 is a beltv pulley 50 in alinementwith'vthe band pulley 26 and with an endless drive belt 51 operatingover the pulleys.

The pulley 50 is formed with an internal friction clutch face with whicha cone clutch `member 52 Slidable on the shaft 47 is adapt- .at 66 and67.

Slidably supported by guide members 56 and 57 on the frame members 10and 11 is a shipper rod 58, and connected to the shipper rod is a yokedevice 59, the latter engaging in an annular groove in the sleeve 54. Bythis arrangement whenthe shipper rod is moved longitudinally in onedirection, -the clutch member 50 will be forced into contact with themember 52 and transmit the niotioii of the shaft 47 to the belt wheel26, and when the shipper rod is moved in the opposite direction, theclutch members will besepai'ated and thev ii'iot-ioii'of the belt pul.ley stopped. l

At one end the rod 58 is forked as shown at 60 and provided withtransverse pins 61 through the forks. Mounted for rotation in hangers 62on the frame members 11 is a rod 68 having the ends upturned as at 64and 65, the portion 64 kevtending upwardly between the .pins 61 andpreferably curved as shown in F ig. 6 to reduce lthe friction, while thepins 61 are also preferably provided with antifrietion rollers as shownin Fig. 6, for the same purpose. The upturned portion 65 constitutes ahand lever -by which the rod 63 maybe rotated. The lever member 65 isarranged to be held in adjusted position in any suitable means, such .asby atoothed segment aud pawl device indicated By this arrangement, theclutch member 52 is operative from the vicinity of the mast 35, aswillbe obvious.

Attached to the frame member 10 is a swivel bearing 67', and slidablymounted on the frame member 11 is a bearing v68, the bear-ingssupporting a shaft 69 on which the sand line `winding drum lp70 is.mounted for rotation with the shaft.

Attached to the frame member 10 is a bearing 71, and mounted on themember 11 is a like bearing 72, the .latter bearings supporting a shaft7 8 which `carries a cable windingdrum 74 for main drill Cable 45.

Attached ,to the frame `.member 10 is a swivel bearing 75, and slidablymounted on the .frame member 11 is a bearing 76, .the latter bearings,supporting a shaft 77.

The shafts 7 Sand 77 are provided-respectively with Vengaging gear 78and pinion 79, to 'provide for the -rctatioirofthe shaft 7 8 from theshaft 77.

The shaft 47 is extended beyondthe frame member 11 and is provided witha friction drum 80, .while'the shafts 69 and.73 areprof videdrespectively with `friction .drums 81 and 82.

svvinginglysupported at 89 and,90.

Y The flevers are `provided respectivelyiwith cam devices coupledtotherods 8,3 .and 84, to enable the rods to be independently movedlongitudinally to draw the drinn 81 or 82 into engagement with .thecentral drum 80, and transmit the motion of the shaft 47 to either ofthe shafts 69 or 73, from a position near the mast.

Thus by manipulating the three levers -65-*87 and 88, the motion of theshaft 47 may `be transmitted to the main band wheel 26 and thence to thebeam 28, or to either the Winding drum 70 or 74 the object to behereinafter explained.

Attached to the post members 15 and to the .braces `19 are .brackets 91,aud-attached to the upper horizontal sides of the brackets are gearracks92. Y

Attached across the .post membersl is a support 93, and slidable throughthe support near the ends vare pull rods 94, each rod being providedwith a pullspring 95 ,and stop plate 96 and operating to hold vthe rodsyieldably in outer position. vAt its .inner end, each rod is connectedto a bearing 97,

and mounted for rotation throughthe ,bearings is a shaft 98, and mountedon the,l shaft and rotative therewith are gear pinions 99` .drive belt49, ,and the rod 6 3 actuated by the hand lever 65 to close the clutchdevice 52 and ytransmit motion vtothe main band .wheel 26 and thence tothe crank 27, connecting bar 101, and ,beam 28, and cause the pulley 31to actuate the drill cable. As the k beam 28 is operatedaiid strainapplied to the drill cable, corresponding strain is applied to theshaft98, and `the latter vmoved against the resistance of the springs95, to thustake upl the slack of thedrill cable and keep it in tautcondition.

As the drilling .proceds, the drum 74 is slacked `up. to permit the`drill cable .to be drawn out as fast as required. .As the cable `iswound upon the drum 74, itconstantly moves 4toward one `end of the drum,consequently the guide lpulley 100, which slides freely 'on the shaft..98 will be correspondkiiigly moved longitudinally of theshaft and this,lateral movement of the pulley changes the pull ,orleverageon theshaft'98, but by coupling the ends of the shaft tothe racks 92 by thepinions 99lthe shaft is maintained constantly? at ,rightang-les to theframe members 1() and l1, no matter where thelpu'lley 100 is located onthe shaft 98.

If the cable is to be wound upon the drum 74, the lever 88 is movedrearwardly to force the friction drum 81 into engagementwith the centralpower drum 80.

If the sand line is to be Wound upon the drum 70, the lever 87 isactuated to apply a pulling force to the rod 84 and thus move the drum81 into engagement with the central drum 80.

Thus the various motions are all accomplished by simply manipulating thethree small levers 65, 87, and 88, as before described, the levers beingindependently operative.

The apparatus will preferably be mounted on carrier wheels indicated at102.

A suitable brake device is arranged to check the friction pulley 82,while a similar brake device 103 which is attached to the ad-l jacentsill member 11 of the supporting frame checks the pulleyr81.

The preferred embodiment of the invention is disclosed in the drawingsand set forth in the specication, but it will be understood thatmodifications within the scope of the claim may be made in theconstruction without departing from the principle of the invention orsacrificing any of its advantages.

What is claimed is In an apparatus of the class described, a supportingframe, a mast extending from said frame and carrying a cable uidepulley, a beam swinging from said rame and carrying a. cable guidepulley, spaced rack bars supported on said frame, a shaft carrying gearpinions engaging said rack bars, a cable guide pulley carried by saidshaft,

bearings engaging said shaft, pull rods eX- tending from said bearings,springs engaging said rods and operating to hold said shaft yieldably inposition, and a cable attached at one end relative to said frame andleading over said several cable guide pulleys.

In testimony whereof, we alix our signatures hereto.v

JAMES S. OLIVER.

ADOLPHUS D. OLIVER.

NOBLE B. OLIVER.

